PT-2023-26778 · Gitlab · Gitlab Ce/Ee+1

Published 2023-11-06 · Updated 2024-10-08 · CVE-2023-3909

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 12.3 through 16.3.6 GitLab CE/EE versions 16.4 through 16.4.2 GitLab CE/EE versions 16.5 through 16.5.1

Description A Regular Expression Denial of Service issue was discovered, allowing an attack by adding a large string in the timeout input in the gitlab-ci.yml file.

Recommendations For versions 12.3 through 16.3.6, update to version 16.3.6 or later. For versions 16.4 through 16.4.2, update to version 16.4.2 or later. For versions 16.5 through 16.5.1, update to version 16.5.1 or later.

Exploit

Fix

DoS

Weakness Enumeration

CWE-1333

Related Identifiers

BIT-GITLAB-2023-3909

CVE-2023-3909

Affected Products

Gitlab

Gitlab Ce/Ee

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3909.json · Exploit
• 🔥 https://hackerone.com/reports/2050269 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-3909 · Security Note
• https://ubuntu.com/security/CVE-2023-3909 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-3909 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-3909 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-3909 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2023-3909 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3909 · Note
• https://gitlab.com/gitlab-org/gitlab/-/issues/418763 · Note
• https://t.me/cibsecurity/73618 · Telegram Post